Fix a little bug I introduced which caused svnlook to try to examine non-existant repository paths, and do some code re-org along the way.
Fix a little bug I introduced which caused svnlook to try to examine
non-existant repository paths, and do some code re-org along the way.

* subversion/svnlook/main.c
  (prepare_tmpfiles): New.
  (print_diff_tree): Use the new helper function prepare_tmpfiles().

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@845906 13f79535-47bb-0310-9956-ffa450edef68

wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion